add directory creation

app.py

@@ -47,6 +47,10 @@ def predict(pdf, confidence, generate_file):
         )
         if probs[0] > (confidence / 100):
             redaction_count = len(images)
+            if not os.path.exists(
+                os.path.join(tmp_dir, filename_without_extension)
+            ):
+                os.makedirs(os.path.join(tmp_dir, filename_without_extension))
             image_pixmap.save(
                 os.path.join(
                     tmp_dir, filename_without_extension, f"page-{page_num}.png"